🏷️ Explore LLD & HLD by Topics

Tag / Topic Category Description & Reference
📋 Software-Engineering 📁 SDLC Software Development Life Cycle phases, models, and agile frameworks
🧪 Software-Testing 📁 SDLC Unit, Integration, System, Acceptance, QA, and TDD strategies
🛠️ Software-Design 📁 LLD Design roadmaps, structural architectures, and engineering principles
📝 Clean-Code 📁 LLD Naming conventions, function structures, comments, and code smells
🧱 OOPS 📁 LLD Encapsulation, Abstraction, Inheritance, Polymorphism, and Relationships
💎 SOLID 📁 LLD Single Responsibility, Open-Closed, Liskov, Interface Segregation, & Dependency Inversion
🎨 Design-Patterns 📁 LLD Creational, Structural, and Behavioral blueprint solutions
📊 UML 📁 LLD Unified Modeling Language (Class, Use Case, State, and Activity Diagrams)
🏛️ System-Design 📁 HLD High-Level Design (Client-Server, Scalability, Performance, Storage, Partitioning)

01-Software Development Life Cycle (SDLC) Explained

Agile, Waterfall, and the phases of software development
📅 Mar 3, 2026

📝 Topics Covered

  1. 1. Software Engineering
    • 1.1 History of Software Engineering
  2. 2. Software Development Life Cycle (SDLC)
    • 2.1 Why is the SDLC Important?
    • 2.2 SDLC Phases
  3. 3. SDLC Models
    • 3.1 Classical Waterfall Model
    • 3.2 Iterative Waterfall Model
    • 3.3 Prototype Model
    • 3.4 Incremental Model
    • 3.5 Spiral Model
    • 3.6 Agile Model
📁 LLD-HLD 📁 SDLC 🏷️ SDLC 🏷️ Software-Engineering
Read More →

02-Software Testing in SDLC: Types and Strategies

Unit, Integration, System, and Acceptance Testing
📅 Mar 4, 2026

📝 Topics Covered

  1. 1. Software Testing
    • Definition, Verification & Validation
  2. 2. Types of Software Testing
    • 2.1 Manual Testing
    • 2.2 Automation Testing
  3. 3. Levels of Software Testing
    • 3.1 Unit, 3.2 Integration, 3.3 System, and 3.4 Regression Testing
    • Testing environments (Alpha, Beta, Acceptance)
    • Non-functional testing (Load, Stress, Security)
  4. 4. Test Case Design Approaches
    • 4.1 White Box, 4.2 Black Box, and 4.3 Gray Box Testing
  5. 5. Test-Driven Development (TDD)
    • 5.1 Shift Left vs. Shift Right testing paradigms
📁 LLD-HLD 📁 SDLC 🏷️ Software-Testing 🏷️ QA 🏷️ TDD
Read More →

03-System Design Roadmap: LLD and HLD Guide

Your complete path to mastering Low-Level and High-Level Design
📅 May 21, 2026

📝 Topics Covered

  1. 1. When to Start Learning System Design
    • Video walkthrough & baseline expectations
  2. 2. High-Level Design (HLD)
    • Macro plans, blueprints, and business integration
  3. 3. Low-Level Design (LLD)
    • Micro-planning, class layouts, and actionable components
  4. 4. Differences Between HLD and LLD
    • 4.1 HLD vs. LLD Focus Areas
    • 4.2 Macro vs. Micro Architecture
    • 4.3 Development Chronology
    • 4.4 Target Audience
  5. 5. System Design (HLD & LLD) Roadmaps
    • 5.1 7-Week Step-by-Step Study Guide
    • 5.2 Transitioning from HLD to LLD
  6. 6. Recommended Reading (System Design Books)
📁 LLD-HLD 📁 Roadmap 🏷️ System-Design 🏷️ Interview-Prep
Read More →

01-Complete Software Design and Architecture Roadmap

Master the layers of software engineering from Clean Code to Enterprise Patterns
📅 Mar 8, 2026

📝 Topics Covered

  1. 1. First Principles
  2. 2. The Software Design & Architecture Stack
  3. 3. The Roadmap Stages
  4. 4. Low-Level Design (LLD) Video Resources
📁 LLD-HLD 📁 LLD 📁 Roadmap 🏷️ Software-Design 🏷️ Software-Architecture 🏷️ Clean-Code 🏷️ Design-Patterns
Read More →

04-SOLID Design Principles Explained

Master SRP, OCP, LSP, ISP, and DIP for maintainable object-oriented code
📅 Mar 11, 2026

📝 Topics Covered

  1. 1. What are the SOLID Principles?
  2. 2. The Symptoms of Bad Code
  3. 3. The Motivation Behind SOLID
  4. 4. The SOLID Principles Explained
  5. 5. The Cost of Violation vs. Benefits of Adherence
  6. 6. Practical Exercise: Data Munging
📁 LLD-HLD 📁 LLD 🏷️ Software-Design 🏷️ SOLID 🏷️ Design-Patterns
Read More →